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<?php declare(strict_types=1); |
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namespace AlecRabbit\Accessories\MemoryUsage; |
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use AlecRabbit\Accessories\MemoryUsage\Contracts\MemoryUsageConstants; |
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use AlecRabbit\Accessories\Pretty; |
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use AlecRabbit\Formatters\Core\AbstractFormatter; |
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use AlecRabbit\Reports\Core\Formattable; |
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use function AlecRabbit\Helpers\bounds; |
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use function AlecRabbit\str_wrap; |
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use const AlecRabbit\Helpers\Strings\Constants\BYTES_UNITS; |
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class MemoryUsageReportFormatter extends AbstractFormatter implements MemoryUsageConstants |
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{ |
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/** @var null|array */ |
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protected static $unitsArray; |
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/** @var string */ |
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protected $units = 'MB'; |
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/** @var int */ |
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protected $decimals = 2; |
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/** {@inheritDoc} */ |
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public function __construct(?int $options = null) |
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{ |
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parent::__construct($options); |
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$this->options = $options ?? static::OPTION_SHOW_REAL_USAGE; |
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} |
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/** |
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* @param string $units |
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*/ |
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public function setUnits(string $units): void |
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{ |
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$this->units = $this->refineUnits($units); |
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} |
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/** |
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* @param null|string $units |
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* @return string |
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*/ |
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protected function refineUnits(?string $units): string |
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{ |
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$units = $units ?? $this->units; |
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$this->assertUnits($units); |
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return $units; |
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} |
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/** |
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* @param string $units |
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*/ |
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protected function assertUnits(string $units): void |
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{ |
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if (false === array_key_exists(strtoupper($units), BYTES_UNITS)) { |
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throw new \RuntimeException( |
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'Unsupported units: "' . $units . '"' |
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); |
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} |
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} |
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/** |
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* @param int $decimals |
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*/ |
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public function setDecimals(int $decimals): void |
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{ |
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$this->decimals = $this->refineDecimals($decimals); |
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} |
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/** |
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* @param null|int $decimals |
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* @return int |
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*/ |
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protected function refineDecimals(?int $decimals): int |
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{ |
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return (int)bounds($decimals ?? $this->decimals, 0, self::MAX_DECIMALS); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function format(Formattable $report): string |
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{ |
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if ($report instanceof MemoryUsageReport) { |
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$diffStr = $this->getDiffStr($report); |
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return |
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sprintf( |
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self::STRING_FORMAT, |
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Pretty::bytes($report->getUsage(), $this->units, $this->decimals), |
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Pretty::bytes($report->getUsageReal(), $this->units, $this->decimals), |
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Pretty::bytes($report->getPeakUsage(), $this->units, $this->decimals), |
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Pretty::bytes($report->getPeakUsageReal(), $this->units, $this->decimals) |
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) . $diffStr; |
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} |
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return $this->errorMessage($report, MemoryUsageReport::class); |
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} |
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/** |
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* @param MemoryUsageReport $report |
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* @return string |
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*/ |
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protected function getDiffStr(MemoryUsageReport $report): string |
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{ |
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if ((null === $usageDiff = $report->getUsageDiff()) || (0 === $usageDiff)) { |
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return ''; |
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} |
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return |
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' ' . sprintf( |
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self::DIFF_FORMAT, |
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$this->prepareBytesString($usageDiff, ' '), |
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$this->prepareBytesString($report->getUsageRealDiff(), '(', ')'), |
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$this->prepareBytesString($report->getPeakUsageDiff(), ' '), |
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$this->prepareBytesString($report->getPeakUsageRealDiff(), '(', ')') |
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); |
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} |
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protected function prepareBytesString(int $value, string $open = '', string $close = ''): string |
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{ |
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return 0 === $value ? '' : str_wrap(Pretty::bytes($value), $open, $close); |
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} |
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/** |
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* @param int $value |
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* @param null|string $units |
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* @param null|int $decimals |
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* @return string |
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*/ |
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public function getString(int $value, ?string $units = null, ?int $decimals = null): string |
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{ |
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return |
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Pretty::bytes($value, $this->refineUnits($units), $this->refineDecimals($decimals)); |
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} |
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} |
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alecrabbit /
php-accessories
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